Home / 997,254.90-1,494,898.20-491,401.80

Finding the Fourth Proportional to 997,254.90, 1,494,898.20 and 491,401.80

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Solution

The fourth proportional to 997,254.90, 1,494,898.20 and 491,401.80 is: 736,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,254.90 : 1,494,898.20 = 491,401.80 : x
  2. Step 2: Convert to fraction form
    997,254.90/1,494,898.20 = 491,401.80/x
  3. Step 3: Cross multiply
    997,254.90x = 1,494,898.20 × 491,401.80
  4. Step 4: Simplify right side
    997,254.90x = 734,595,666,296.76
  5. Step 5: Solve for x
    x = 734,595,666,296.76/997,254.90
  6. Step 6: Final answer
    x = 736,617.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.